实验和数值评估两个重建技术的骨盆类型Ia脆弱性骨折的试验和数值评估
Ahmed Soliman1, Slawomir Kedziora1, Jens Kelm2
1Department of Engineering, Faculty of Science, Technology and Medicine (FSTM), University of Luxembourg, 6, Rue Richard Coudenhove-Kalergi, L-1359, Luxembourg, Luxembourg.
Medical engineering & physics
|August 27, 2023
概括
皮下阴板 (SIP) 与Supraacetabular External Fixator (SEF) 相比,在老年人骨盆骨折中提供了更好的稳定性. SIP显著降低了位移和应变,改善了骨盆脆弱性骨折的结果.
科学领域:
- 整形外科手术 整形外科手术
- 生物机械工程 生物机械工程
- 老年创伤患者的创伤
背景情况:
- 前骨盆环骨折在老年患者中很常见.
- 上外固定器 (SEF) 和皮下阴板 (SIP) 是外科选择.
- 有限的比较生物力学数据存在于SEF与SIP之间.
研究的目的:
- 在生物力学上比较SEF和SIP的稳定功效.
- 在骨盆脆弱性骨折 (FFP) I.A型模型中评估设备性能.
主要方法:
- 使用专门的测试台进行骨盆生物力学测试,模拟步行负荷.
- 使用张力表测量盆腔环中的应变.
- 使用3D数字图像相关系系统监控空间断片间位移 (SID).
主要成果:
- SEF将SID减少了大约10%.
- 锁定SIP可将SID减少约62%.
- SIP 减少了 67% 的后骨盆环应变.
结论:
- 皮下阴板 (SIP) 显示出比Supraacetabular External Fixator (SEF) 更优越的生物机械稳定性.
- 在FFP型Ia中,SIP显著降低了骨切除术位移和后骨盆环应变.
- 基于生物力学证据,SIP是FFP类型Ia的更有效的治疗方法.
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